SunStroke! Landscape of Comet 67p/Churyumov-Gerasimenko Dramatically Altered As It Approached the Sun

The Rosetta spacecraft documented unique changes spotted on comet 67p/Churyumov-Gerasimenko as it approached the sun --growing fractures, collapsing cliffs and rolling boulders on the comet's surface. A study published March 21, 2017 in the journal Science summarizes the types of...